D defs.my
Entry 1 sense Webster, 1913

Nuclear physics

/no͞ok'-lē-ẽr fĭz'-ĭks/ · Nu·cle·ar phys·ics · IPA
01 n. That branch of physics which studies the structure of and phenomena observed in atomic nuclei.
  1. 1.
    That branch of physics which studies the structure of and phenomena observed in atomic nuclei.